Improvement in cement for covering buildings



UNITED STATES- PATENT OFFICE.

'JAGOB BUMP, or KIR-TLAND, OHIO.

IMPROVEMENT IN'CEMENT FOR COVERING BUILDINGS, 80C.

Specification forming part of Letters Patent No. 1,765, dated September 3, 1840.

To all whom it may concern:

Be it known that I, JACOB BUMP, of Kirtlaud,in the countyof Lake and State of Ohio, have invented a new and improved cement for the purpose of covering all the outer parts of buildings, either wood, stone, or brick, or for floors, hearths, door steps, sidewalks, fences, or water-cisterns, of which the following is a specification.

This cement is composed of the following articles, viz: to one bushel of clean sand, half a bushel quicklime, one-eighth water-lime,oneeighth pulverized hard stone, granite, or clean grave1,half-gallon hot tar, one pound copperas, one pound alum, one-eighth ofabushel ofcinders, (furnace or smiths,)pulverized glass will answer. Mix the above ingredients well together, let it stand one day or more; then fit for use, to be kept tempered to spread like plastering-mortar.

black.

What I claim as my invention, and desire to secure by Letters Patent, is

Acemcnt composed of the aforesaid materials.

JACOB BUMP.

Witnesses: v

G. L. GIBERSON, HIRAM KELLOGG. 

